. Bonner zoologische Monographien. Zoology. 126. 369 Eurasian Swift (636) Apus apus apus/pekinensis PM (8-5) A W S SU common on passage, uncommon and local in winter and summer open country and mountains Remarks: The proportion of the two sub- species is not clear. 370 White-rumped Swift (644) Apus caff er streubelii R? LM BR 2, 6 uncommon and local open country Remarks: Nesting on bridges and buildings, often using swallow nests 371 Horus Swift (645) Apus horus R? AM? BR 1-6 uncommon and local open country, rivers Remarks: Nesting in bee-eater and Sand Martin holes. Please note that these ima
. Bonner zoologische Monographien. Zoology. 126. 369 Eurasian Swift (636) Apus apus apus/pekinensis PM (8-5) A W S SU common on passage, uncommon and local in winter and summer open country and mountains Remarks: The proportion of the two sub- species is not clear. 370 White-rumped Swift (644) Apus caff er streubelii R? LM BR 2, 6 uncommon and local open country Remarks: Nesting on bridges and buildings, often using swallow nests 371 Horus Swift (645) Apus horus R? AM? BR 1-6 uncommon and local open country, rivers Remarks: Nesting in bee-eater and Sand Martin holes. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bonn, Zoologisches Forschungsinstitut und Museum Alexander Koenig
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectzoology
